body { 
  font: 16px Helvetica, Arial; 
  margin: 50px; 
}

/* style for chapter 4 section 1 */
body#compo {
  background: #ccc;
  padding: 20px;
  font: 16px/20px Helvetica, Arial, sans-serif;
}

#compo #content {
  padding: 20px;
  width: 600px;
  margin: 0 auto;
  background: #fff;
}

fieldset {
  border: 1px solid #ccc;
  padding: 20px;
}

legend {
  color: #999;
}

#compo #terms {
  display: none;
}

/* style for chapter 4 section 2 */
#tabs * {
  margin: 0;
  padding: 0;
  line-height: 1.2;
}

#tabs ul.tabs {
  border-bottom: 2px solid #600;
  height: 36px;
  margin-left: 40px;
}

#tabs ul.tabs li {
  display: inline;
}

#tabs ul.tabs a {
  float: left;
  display: block;
  margin-right: 5px;
  padding: 5px;
  line-height: 24px;
  background: #c00;
  color: #fff;
  text-decoration: none;
/*  font-size: 24px;*/
  border: 2px solid #600;
  -webkit-border-radius: 10px;
  -webkit-border-bottom-left-radius: 0;
  -webkit-border-bottom-right-radius: 0;
  -moz-border-radius: 10px;
  -moz-border-radius-bottomleft: 0;
  -moz-border-radius-bottomright: 0;
  border-bottom: 0;
}

#tabs ul.tabs a:hover,
#tabs ul.tabs a.selected {
  background: #600;
  color: #fff;
}

#tabs div {
  margin-left: 40px;
  padding: 40px 10px;
  border: 2px solid #600;
  border-top: 0;
  clear: left;
}